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You can search for vulnerabilities managed by JVN (Japan Vulnerability Note) and NVD (National Vulnerability Database).
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JVN Vulnerability Information

Update Date":June 19, 2026, 4 p.m.

No CVSS Level
Attach Vector		 Vendor Name Project Name Title CWE CVE Update Date Publication Date Impact
Show		 Exploit
PoC
Search
133811 8.8 重要
Network 		Google
Outlook.com		 Microsoft Edge Chromium
Google Chrome 		Chromium CVE-2021-21119: Use after free in Media CWE-416
解放済みメモリの使用 		CVE-2021-21119 2021-10-20 17:38 2021-01-19 Show GitHub Exploit DB Packet Storm
133812 8.8 重要
Network 		Google
Outlook.com		 Microsoft Edge Chromium
Google Chrome 		Chromium: CVE-2021-21118 Insufficient data validation in V8 CWE-119
バッファエラー 		CVE-2021-21118 2021-10-20 17:38 2021-01-19 Show GitHub Exploit DB Packet Storm
133813 7.8 重要
Local 		Google Google Chrome Google Chrome の Cryptohome における権限管理に関する脆弱性 CWE-269
不適切な権限管理 		CVE-2021-21117 2021-10-20 17:38 2021-01-19 Show GitHub Exploit DB Packet Storm
133814 5.3 警告
Network 		JetBrains Ktor JetBrains Ktor における HTTP リクエストスマグリングに関する脆弱性 CWE-444
HTTP リクエストスマグリング 		CVE-2021-25762 2021-10-20 17:30 2021-02-3 Show GitHub Exploit DB Packet Storm
133815 5.3 警告
Network 		JetBrains YouTrack JetBrains YouTrack における脆弱性 CWE-noinfo
情報不足 		CVE-2021-25766 2021-10-20 17:28 2021-02-3 Show GitHub Exploit DB Packet Storm
133816 7.5 重要
Network 		Realtek Semiconductor Corp RTL8195A ファームウェア Realtek RTL8195A Wi-Fi モジュールにおける境界外読み取りに関する脆弱性 CWE-125
境界外読み取り 		CVE-2020-25853 2021-10-20 17:25 2020-04-21 Show GitHub Exploit DB Packet Storm
133817 8.1 重要
Network 		Realtek Semiconductor Corp RTL8195A ファームウェア Realtek RTL8195A Wi-Fi モジュールにおける境界外書き込みに関する脆弱性 CWE-787
境界外書き込み 		CVE-2020-25854 2021-10-20 17:20 2020-04-21 Show GitHub Exploit DB Packet Storm
133818 8.1 重要
Network 		Realtek Semiconductor Corp RTL8195A ファームウェア Realtek RTL8195A Wi-Fi モジュールにおける境界外書き込みに関する脆弱性 CWE-787
境界外書き込み 		CVE-2020-25855 2021-10-20 17:18 2020-04-21 Show GitHub Exploit DB Packet Storm
133819 8.1 重要
Network 		Realtek Semiconductor Corp RTL8195A ファームウェア Realtek RTL8195A Wi-Fi モジュールにおける境界外書き込みに関する脆弱性 CWE-787
境界外書き込み 		CVE-2020-25856 2021-10-20 17:15 2020-04-21 Show GitHub Exploit DB Packet Storm
133820 7.5 重要
Network 		Realtek Semiconductor Corp RTL8195A ファームウェア Realtek RTL8195A Wi-Fi モジュールにおける境界外書き込みに関する脆弱性 CWE-787
境界外書き込み 		CVE-2020-25857 2021-10-20 16:51 2020-04-21 Show GitHub Exploit DB Packet Storm
NVD Vulnerability Information

Update Date:June 19, 2026, 4:01 a.m.

No CVSS Level
Attach Vector		 Vendor Name Project Name Title CWE CVE Update Date Publication Date Show Affected Exploit
PoC
Search
561 4.3 MEDIUM
Network 		- - Discourse is an open-source discussion platform. From versions 2026.1.0-latest to before 2026.1.4, 2026.3.0-latest to before 2026.3.1, and 2026.4.0-latest to before 2026.4.1, the AI "explain" helper … CWE-200
Information Exposure 		CVE-2026-44785 2026-06-16 05:58 2026-06-13 Show GitHub Exploit DB Packet Storm
562 7.5 HIGH
Network 		- - Discourse is an open-source discussion platform. From versions 2026.1.0-latest to before 2026.1.4, 2026.3.0-latest to before 2026.3.1, and 2026.4.0-latest to before 2026.4.1, chat events for public c… CWE-200
Information Exposure 		CVE-2026-44786 2026-06-16 05:58 2026-06-13 Show GitHub Exploit DB Packet Storm
563 4.3 MEDIUM
Network 		- - Discourse is an open-source discussion platform. From versions 2026.1.0-latest to before 2026.1.4, 2026.3.0-latest to before 2026.3.1, and 2026.4.0-latest to before 2026.4.1, the MessageBus.publish c… CWE-200
Information Exposure 		CVE-2026-47263 2026-06-16 05:58 2026-06-13 Show GitHub Exploit DB Packet Storm
564 5.3 MEDIUM
Network 		- - Discourse is an open-source discussion platform. From versions 2026.1.0-latest to before 2026.1.4, 2026.3.0-latest to before 2026.3.1, and 2026.4.0-latest to before 2026.4.1, four authorization/discl… CWE-200
CWE-862
Information Exposure
 Missing Authorization 		CVE-2026-45085 2026-06-16 05:58 2026-06-13 Show GitHub Exploit DB Packet Storm
565 6.8 MEDIUM
Network 		- - Discourse is an open-source discussion platform. From versions 2026.1.0-latest to before 2026.1.4, 2026.3.0-latest to before 2026.3.1, and 2026.4.0-latest to before 2026.4.1, a path traversal vulnera… CWE-22
Path Traversal 		CVE-2026-45775 2026-06-16 05:58 2026-06-13 Show GitHub Exploit DB Packet Storm
566 5.3 MEDIUM
Network 		- - Discourse is an open-source discussion platform. From versions 2026.1.0-latest to before 2026.1.4, 2026.3.0-latest to before 2026.3.1, and 2026.4.0-latest to before 2026.4.1, DetailedTagSerializer#ta… CWE-200
Information Exposure 		CVE-2026-47264 2026-06-16 05:58 2026-06-13 Show GitHub Exploit DB Packet Storm
567 4.3 MEDIUM
Network 		- - Mattermost versions 11.6.x <= 11.6.1, 11.5.x <= 11.5.4, 10.11.x <= 10.11.15, 10.11.x <= 10.11.16 fail to restrict role_updated websocket event broadcasts to members of the affected team or channel wh… CWE-200
Information Exposure 		CVE-2026-3433 2026-06-16 05:56 2026-06-13 Show GitHub Exploit DB Packet Storm
568 5.3 MEDIUM
Network 		- - Mattermost versions 11.6.x <= 11.6.1, 11.5.x <= 11.5.4, 10.11.x <= 10.11.15, 10.11.x <= 10.11.16 fail to validate that a username returned during bot registration belongs to a bot account, which allo… CWE-200
Information Exposure 		CVE-2026-6046 2026-06-16 05:56 2026-06-13 Show GitHub Exploit DB Packet Storm
569 4.3 MEDIUM
Network 		- - Mattermost versions 11.6.x <= 11.6.1, 11.5.x <= 11.5.4, 10.11.x <= 10.11.15, 10.11.x <= 10.11.16 Fail to enforce PermissionInviteUser when setting AllowOpenInvite or AllowedDomains during team creati… CWE-862
 Missing Authorization 		CVE-2026-6689 2026-06-16 05:56 2026-06-13 Show GitHub Exploit DB Packet Storm
570 6.7 MEDIUM
Network 		- - Mattermost versions 11.6.x <= 11.6.1, 11.5.x <= 11.5.4, 10.11.x <= 10.11.15, 10.11.x <= 10.11.16 fail to require system-level permission when patching protected default system roles, which allows aut… CWE-863
 Incorrect Authorization 		CVE-2026-6739 2026-06-16 05:56 2026-06-13 Show GitHub Exploit DB Packet Storm